The E! media mogul flew down south for Idol, and while he was there the 37-year-old TV producer caught an Aerosmith performance. At the concert, Seacrest went backstage to see Steven, and the former American Idol judge surprised his friend by taking him onstage to sing.

Aerosmith launched the second leg of their Global Warming Tour at the Oklahoma arena. The world-famous band released their 15th studio album, Music From Another Dimension!—the group's first all-new set since 2001's Just Push Play—on Tuesday.

For even more backstage scoop, be sure tune in to E! News tonight at 7 p.m. and 11:30 p.m.

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